3 research outputs found
Different harvesting dates influence the growth, seed yield and quality of two rice varieties in Ghana
No full textRice (Oryza sativa L.) is a staple food which contains a high amount of nutrients essential for human nutrition, energy supply, and food security. Despite its nutritional value, it does not reach its physiological maturity at the same time thereby affecting the quality of seeds produced when harvested. The overarching objective of this research was to determine the influence of harvesting days on seed yield and quality of two rice varieties (Jasmine 85 and Amankwatia) at the Department of Horticulture, Kwame Nkrumah University of Science and Technology, Ghana. A 2 x 3 factorial arranged in a Randomized Complete Block Design with three replications was the study design. Factor one was the two varieties (Jasmine and Amankwatia) and factors two was different harvesting times at three levels [105, 112 and 126 days after transplanting (DAT)]. The study revealed that Jasmine 85 had the highest plant height, number of panicles and number of tillers. The study also showed that the interaction of the varieties and different harvesting times had a significant influence on the germination percentage, germination energy, germination rate index and mean germination time. The study showed that Amankwatia harvested at 126 DAT and Jasmine harvested at 112 DAT respectively, performed the best in terms of yield. Furthermore, Amankwatia harvested at 112 DAT and Jasmine harvested at 105 DAT respectively, also improved germination parameters. Harvesting of both varieties (Jasmine and Amankwatia) at 112 DAT and 126 DAT will maximize yield, while harvesting at Amankwatia at 112 DAT and Jasmine at 105 will improve germination
Different harvesting dates influence the growth, seed yield and quality of two rice varieties in Ghana
No full textRice (Oryza sativa L.) is a staple food which contains a high amount of nutrients essential for human nutrition, energy supply, and food security. Despite its nutritional value, it does not reach its physiological maturity at the same time thereby affecting the quality of seeds produced when harvested. The overarching objective of this research was to determine the influence of harvesting days on seed yield and quality of two rice varieties (Jasmine 85 and Amankwatia) at the Department of Horticulture, Kwame Nkrumah University of Science and Technology, Ghana. A 2 x 3 factorial arranged in a Randomized Complete Block Design with three replications was the study design. Factor one was the two varieties (Jasmine and Amankwatia) and factors two was different harvesting times at three levels [105, 112 and 126 days after transplanting (DAT)]. The study revealed that Jasmine 85 had the highest plant height, number of panicles and number of tillers. The study also showed that the interaction of the varieties and different harvesting times had a significant influence on the germination percentage, germination energy, germination rate index and mean germination time. The study showed that Amankwatia harvested at 126 DAT and Jasmine harvested at 112 DAT respectively performed the best in terms of yield. Furthermore, Amankwatia harvested at 112 DAT and Jasmine harvested at 105 DAT respectively also improved germination parameters. Harvesting of both varieties (Jasmine and Amankwatia) at 112 DAT and 126 DAT will maximize yield while harvesting at Amankwatia at 112 DAT and Jasmine at 105 will improve germination
Host tissue proteomics reveal insights into the molecular basis of Schistosoma haematobium-induced bladder pathology
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Abstract
Urogenital schistosomiasis remains a major public health concern worldwide. In response to egg deposition, the host bladder undergoes gross and molecular morphological changes relevant for disease manifestation. However, limited mechanistic studies to date imply that the molecular mechanisms underlying pathology are not well-defined. We leveraged a mouse model of urogenital schistosomiasis to perform for the first time, proteome profiling of the early molecular events that occur in the bladder after exposure to S. haematobium eggs, and to elucidate the protein pathways involved in urogenital schistosomiasis-induced pathology. Purified S. haematobium eggs or control vehicle were microinjected into the bladder walls of mice. Mice were sacrificed seven days post-injection and bladder proteins isolated and processed for proteome profiling using mass spectrometry. We demonstrate that biological processes including carcinogenesis, immune and inflammatory responses, increased protein translation or turnover, oxidative stress responses, reduced cell adhesion and epithelial barrier integrity, and increased glucose metabolism were significantly enriched in S. haematobium infection. S. haematobium egg deposition in the bladder results in significant changes in proteins and pathways that play a role in pathology. Our findings highlight the potential bladder protein indicators for host-parasite interplay and provide new insights into the complex dynamics of pathology and characteristic bladder tissue changes in urogenital schistosomiasis. The findings will be relevant for development of improved interventions for disease control
